Desk lamp



FIG. 1 is a view in side elevation showing the novelty desk lamp of theclaimed design;

FIG. 2 is a top plan view of the claimed design;

FIG. 3 is a view in side elevation of the claimed design, opposite thatshown in FIG. 1;

FIG. 4 is a view in front elevation of the claimed design; and,

FIG. 5 is a view in rear elevation of the claimed design.

The ornamental design for a desk lamp, as shown and described.